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World explorer program nauczania5/1/2023 Charles Babbage started the design of the first automatic mechanical calculator, his Difference Engine, in 1822, which eventually gave him the idea of the first programmable mechanical calculator, his Analytical Engine. In 1820, Thomas de Colmar launched the mechanical calculator industry when he invented his simplified arithmometer, the first calculating machine strong enough and reliable enough to be used daily in an office environment. Leibniz may be considered the first computer scientist and information theorist, for, among other reasons, documenting the binary number system. ![]() In 1673, Gottfried Leibniz demonstrated a digital mechanical calculator, called the Stepped Reckoner. Wilhelm Schickard designed and constructed the first working mechanical calculator in 1623. Algorithms for performing computations have existed since antiquity, even before the development of sophisticated computing equipment. Machines for calculating fixed numerical tasks such as the abacus have existed since antiquity, aiding in computations such as multiplication and division. The earliest foundations of what would become computer science predate the invention of the modern digital computer.
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